Missing 13-year-old girl found in Brisbane 6 days after disappearing

A 13-year-old Sydney girl who went missing for six days after leaving a medical facility has today been found safe and well in Queensland.

NSW Police confirmed in a statement that Emily-Rose King was located around midday in Brisbane by local authorities, almost a week after she was seen leaving the facility in St Leonards, in the Sydney's north, on Thursday June 7.

Earlier, police issued an urgent appeal of public assistance to locate the teenager, saying there were concerns for her welfare following medical treatment.

Emily-Rose King, 13, has been found in Brisbane, Queensland, six days after disappearing from a medical facility on Sydney's Northern Beaches. Picture: Supplied. (Supplied)

The call-out came just hours after police also appealed to the public to help find a 10-year-old boy who went missing from the same area around 6pm yesterday.

Mario Caruso was last seen leaving a unit on Cross Street, Balgowlah last night. It is also not the first time the child has went missing.

"Officers from The Northern Beaches Police Area Command conducted an extensive search of the area; however, failed to locate the boy," a police statement said.

The police appeal for assistance to find Emily came hours after 10-year-old Mario Caruso also went missing from the same area and was found today. Picture: Supplied. (Supplied)

Around 9.20pm however, the young boy was located by police in the nearby suburb of Chatswood.